Home / 104,718.10-156,904.35-89,166.10

Finding the Fourth Proportional to 104,718.10, 156,904.35 and 89,166.10

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Solution

The fourth proportional to 104,718.10, 156,904.35 and 89,166.10 is: 133,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,718.10 : 156,904.35 = 89,166.10 : x
  2. Step 2: Convert to fraction form
    104,718.10/156,904.35 = 89,166.10/x
  3. Step 3: Cross multiply
    104,718.10x = 156,904.35 × 89,166.10
  4. Step 4: Simplify right side
    104,718.10x = 13,990,548,962.54
  5. Step 5: Solve for x
    x = 13,990,548,962.54/104,718.10
  6. Step 6: Final answer
    x = 133,602.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.